MX1 and myeloid sarcoma: N.Souren et al. showed that intake of IFN-beta by patientsinduces hypomethylation of RSAD2, MX1, andPLSCR1 in PBMCs [61].Although these data require independent confirmation, they are indicative of animportant role for the epigenetic mechanism of DNA methylation in thedevelopment and suppression of a MS pathology.